221761540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 288

約数和(自身を含む): 675682560

約数和(自身を除く): 453921020

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 19, 20, 22, 26, 28, 35, 38, 44, 52, 53, 55, 65, 70, 76, 77, 91, 95, 106, 110, 121, 130, 133, 140, 143, 154, 182, 190, 209, 212, 220, 242, 247, 260, 265, 266, 286, 308, 364, 371, 380, 385, 418, 455, 484, 494, 530, 532, 572, 583, 605, 665, 689, 715, 742, 770, 836, 847, 910, 988, 1001, 1007, 1045, 1060, 1166, 1210, 1235, 1330, 1378, 1430, 1463, 1484, 1540, 1573, 1694, 1729, 1820, 1855, 2002, 2014, 2090, 2299, 2332, 2420, 2470, 2660, 2717, 2756, 2860, 2915, 2926, 3146, 3388, 3445, 3458, 3710, 4004, 4028, 4081, 4180, 4235, 4598, 4823, 4940, 5005, 5035, 5434, 5830, 5852, 6292, 6413, 6890, 6916, 7049, 7315, 7420, 7579, 7865, 8162, 8470, 8645, 9196, 9646, 10010, 10070, 10868, 11011, 11077, 11495, 11660, 12826, 13091, 13585, 13780, 14098, 14630, 15158, 15730, 16093, 16324, 16940, 17290, 19019, 19292, 20020, 20140, 20405, 22022, 22154, 22990, 24115, 25652, 26182, 27170, 28196, 29260, 29887, 30316, 31460, 32065, 32186, 34580, 35245, 37895, 38038, 40810, 44044, 44308, 44891, 45980, 48230, 52364, 53053, 54340, 55055, 55385, 59774, 64130, 64372, 65455, 70490, 75790, 76076, 77539, 80465, 81620, 83369, 89782, 91637, 95095, 96460, 106106, 110110, 110770, 119548, 121847, 128260, 130910, 140980, 144001, 149435, 151580, 155078, 160930, 166738, 179564, 183274, 190190, 209209, 212212, 220220, 221540, 224455, 243694, 261820, 265265, 288002, 298870, 310156, 321860, 333476, 366548, 380380, 387695, 416845, 418418, 448910, 458185, 487388, 530530, 576004, 583583, 597740, 609235, 720005, 775390, 833690, 836836, 852929, 897820, 916370, 1008007, 1046045, 1061060, 1167166, 1218470, 1440010, 1550780, 1584011, 1667380, 1705858, 1832740, 2016014, 2092090, 2334332, 2436940, 2880020, 2917915, 3168022, 3411716, 4032028, 4184180, 4264645, 5040035, 5835830, 6336044, 7920055, 8529290, 10080070, 11088077, 11671660, 15840110, 17058580, 20160140, 22176154, 31680220, 44352308, 55440385, 110880770, 221761540]

約数ペア:

[(1, 221761540), (2, 110880770), (4, 55440385), (5, 44352308), (7, 31680220), (10, 22176154), (11, 20160140), (13, 17058580), (14, 15840110), (19, 11671660), (20, 11088077), (22, 10080070), (26, 8529290), (28, 7920055), (35, 6336044), (38, 5835830), (44, 5040035), (52, 4264645), (53, 4184180), (55, 4032028), (65, 3411716), (70, 3168022), (76, 2917915), (77, 2880020), (91, 2436940), (95, 2334332), (106, 2092090), (110, 2016014), (121, 1832740), (130, 1705858), (133, 1667380), (140, 1584011), (143, 1550780), (154, 1440010), (182, 1218470), (190, 1167166), (209, 1061060), (212, 1046045), (220, 1008007), (242, 916370), (247, 897820), (260, 852929), (265, 836836), (266, 833690), (286, 775390), (308, 720005), (364, 609235), (371, 597740), (380, 583583), (385, 576004), (418, 530530), (455, 487388), (484, 458185), (494, 448910), (530, 418418), (532, 416845), (572, 387695), (583, 380380), (605, 366548), (665, 333476), (689, 321860), (715, 310156), (742, 298870), (770, 288002), (836, 265265), (847, 261820), (910, 243694), (988, 224455), (1001, 221540), (1007, 220220), (1045, 212212), (1060, 209209), (1166, 190190), (1210, 183274), (1235, 179564), (1330, 166738), (1378, 160930), (1430, 155078), (1463, 151580), (1484, 149435), (1540, 144001), (1573, 140980), (1694, 130910), (1729, 128260), (1820, 121847), (1855, 119548), (2002, 110770), (2014, 110110), (2090, 106106), (2299, 96460), (2332, 95095), (2420, 91637), (2470, 89782), (2660, 83369), (2717, 81620), (2756, 80465), (2860, 77539), (2915, 76076), (2926, 75790), (3146, 70490), (3388, 65455), (3445, 64372), (3458, 64130), (3710, 59774), (4004, 55385), (4028, 55055), (4081, 54340), (4180, 53053), (4235, 52364), (4598, 48230), (4823, 45980), (4940, 44891), (5005, 44308), (5035, 44044), (5434, 40810), (5830, 38038), (5852, 37895), (6292, 35245), (6413, 34580), (6890, 32186), (6916, 32065), (7049, 31460), (7315, 30316), (7420, 29887), (7579, 29260), (7865, 28196), (8162, 27170), (8470, 26182), (8645, 25652), (9196, 24115), (9646, 22990), (10010, 22154), (10070, 22022), (10868, 20405), (11011, 20140), (11077, 20020), (11495, 19292), (11660, 19019), (12826, 17290), (13091, 16940), (13585, 16324), (13780, 16093), (14098, 15730), (14630, 15158)]